src/gallium/drivers/llvmpipe/lp_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /* Authors:  Keith Whitwell <keithw@vmware.com>
  29  */
  30
  31 #ifndef LP_CONTEXT_H
  32 #define LP_CONTEXT_H
  33
  34 #include "pipe/p_context.h"
  35
  36 #include "draw/draw_vertex.h"
  37 #include "util/u_blitter.h"
  38
  39 #include "lp_tex_sample.h"
  40 #include "lp_jit.h"
  41 #include "lp_setup.h"
  42 #include "lp_state_fs.h"
  43 #include "lp_state_cs.h"
  44 #include "lp_state_setup.h"
  45
  46
  47 struct llvmpipe_vbuf_render;
  48 struct draw_context;
  49 struct draw_stage;
  50 struct draw_vertex_shader;
  51 struct lp_fragment_shader;
  52 struct lp_compute_shader;
  53 struct lp_blend_state;
  54 struct lp_setup_context;
  55 struct lp_setup_variant;
  56 struct lp_velems_state;
  57
  58 struct llvmpipe_context {
  59    struct pipe_context pipe;  /**< base class */
  60
  61    /** Constant state objects */
  62    const struct pipe_blend_state *blend;
  63    struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
  64
  65    const struct pipe_depth_stencil_alpha_state *depth_stencil;
  66    const struct pipe_rasterizer_state *rasterizer;
  67    struct lp_fragment_shader *fs;
  68    struct draw_vertex_shader *vs;
  69    const struct lp_geometry_shader *gs;
  70    const struct lp_tess_ctrl_shader *tcs;
  71    const struct lp_tess_eval_shader *tes;
  72    struct lp_compute_shader *cs;
  73    const struct lp_velems_state *velems;
  74    const struct lp_so_state *so;
  75
  76    /** Other rendering state */
  77    unsigned sample_mask;
  78    unsigned min_samples;
  79    struct pipe_blend_color blend_color;
  80    struct pipe_stencil_ref stencil_ref;
  81    struct pipe_clip_state clip;
  82    struct pipe_constant_buffer constants[PIPE_SHADER_TYPES][LP_MAX_TGSI_CONST_BUFFERS];
  83    struct pipe_framebuffer_state framebuffer;
  84    struct pipe_poly_stipple poly_stipple;
  85    struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS];
  86    struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
  87
  88    struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
  89    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
  90
  91    struct pipe_shader_buffer ssbos[PIPE_SHADER_TYPES][LP_MAX_TGSI_SHADER_BUFFERS];
  92    struct pipe_image_view images[PIPE_SHADER_TYPES][LP_MAX_TGSI_SHADER_IMAGES];
  93
  94    unsigned num_samplers[PIPE_SHADER_TYPES];
  95    unsigned num_sampler_views[PIPE_SHADER_TYPES];
  96    unsigned num_images[PIPE_SHADER_TYPES];
  97
  98    unsigned num_vertex_buffers;
  99
 100    struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
 101    int num_so_targets;
 102    struct pipe_query_data_so_statistics so_stats[PIPE_MAX_VERTEX_STREAMS];
 103
 104    struct pipe_query_data_pipeline_statistics pipeline_statistics;
 105    unsigned active_statistics_queries;
 106
 107    unsigned active_occlusion_queries;
 108
 109    unsigned active_primgen_queries;
 110
 111    bool queries_disabled;
 112
 113    unsigned dirty; /**< Mask of LP_NEW_x flags */
 114    unsigned cs_dirty; /**< Mask of LP_CSNEW_x flags */
 115    /** Mapped vertex buffers */
 116    ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
 117
 118    /** Vertex format */
 119    struct vertex_info vertex_info;
 120
 121    /** Which vertex shader output slot contains color */
 122    int8_t color_slot[2];
 123
 124    /** Which vertex shader output slot contains bcolor */
 125    int8_t bcolor_slot[2];
 126
 127    /** Which vertex shader output slot contains point size */
 128    int8_t psize_slot;
 129
 130    /** Which vertex shader output slot contains viewport index */
 131    int8_t viewport_index_slot;
 132
 133    /** Which geometry shader output slot contains layer */
 134    int8_t layer_slot;
 135
 136    /** A fake frontface output for unfilled primitives */
 137    int8_t face_slot;
 138
 139    /** Depth format and bias settings. */
 140    boolean floating_point_depth;
 141    double mrd;   /**< minimum resolvable depth value, for polygon offset */
 142
 143    /** The tiling engine */
 144    struct lp_setup_context *setup;
 145    struct lp_setup_variant setup_variant;
 146
 147    /** The primitive drawing context */
 148    struct draw_context *draw;
 149
 150    struct blitter_context *blitter;
 151
 152    unsigned tex_timestamp;
 153
 154    /** List of all fragment shader variants */
 155    struct lp_fs_variant_list_item fs_variants_list;
 156    unsigned nr_fs_variants;
 157    unsigned nr_fs_instrs;
 158
 159    struct lp_setup_variant_list_item setup_variants_list;
 160    unsigned nr_setup_variants;
 161
 162    /** List of all compute shader variants */
 163    struct lp_cs_variant_list_item cs_variants_list;
 164    unsigned nr_cs_variants;
 165    unsigned nr_cs_instrs;
 166    struct lp_cs_context *csctx;
 167
 168    /** Conditional query object and mode */
 169    struct pipe_query *render_cond_query;
 170    enum pipe_render_cond_flag render_cond_mode;
 171    boolean render_cond_cond;
 172
 173    /** The LLVMContext to use for LLVM related work */
 174    LLVMContextRef context;
 175
 176    int max_global_buffers;
 177    struct pipe_resource **global_buffers;
 178
 179 };
 180
 181
 182 struct pipe_context *
 183 llvmpipe_create_context(struct pipe_screen *screen, void *priv,
 184                         unsigned flags);
 185
 186 struct pipe_resource *
 187 llvmpipe_user_buffer_create(struct pipe_screen *screen,
 188                             void *ptr,
 189                             unsigned bytes,
 190                             unsigned bind_flags);
 191
 192
 193 static inline struct llvmpipe_context *
 194 llvmpipe_context( struct pipe_context *pipe )
 195 {
 196    return (struct llvmpipe_context *)pipe;
 197 }
 198
 199 #endif /* LP_CONTEXT_H */
 200